clearness
clear-ness
noun
The quality of being easy to see, hear, or understand; transparency or lucidity.
"The clearness of the water was remarkable."
Thesaurus
Synonyms: uncloudedness, clarity, pellucidity, limpidity, lucidness, lucidity
Antonyms: abstruseness, obscureness, obscurity, opacity, opaqueness, reconditeness, unclearness